Merge pull request #2291 from i-do-cpp/fix-compression-level-default

Fix setParameter not falling back to default compression level
2020-09-08 16:42:34 -07:00
parent 8db661dd7f aec8b27fff
commit 5e4efd22d4
1 changed files with 3 additions and 2 deletions
@@ -540,9 +540,10 @@ size_t ZSTD_CCtxParams_setParameter(ZSTD_CCtx_params* CCtxParams,

    case ZSTD_c_compressionLevel : {
        FORWARD_IF_ERROR(ZSTD_cParam_clampBounds(param, &value), "");
-        if (value) {  /* 0 : does not change current level */
+        if (value == 0)
+            CCtxParams->compressionLevel = ZSTD_CLEVEL_DEFAULT; /* 0 == default */
+        else
            CCtxParams->compressionLevel = value;
-        }
        if (CCtxParams->compressionLevel >= 0) return (size_t)CCtxParams->compressionLevel;
        return 0;  /* return type (size_t) cannot represent negative values */
    }